BSF around chicken compost

Near the chicken compost, BSF adult have not been yet in this year. These days, the temperature is increasing and other diptera are flying. But BSF are not appeared. Average temperature is almost 20 in May, So I think I can see adult after rainy season. About laboratory rearing, Previously I had some eggs (not so many). After this that I can not have larvae. These days I think about the reason. Nutrient status while they are larvae, temperature, other environment, and drying the surface of feed. I think there are a lot of reason. Anyway I will try some improvement.


堆肥近くでいまだにミズアブが出てこないという状況がいまだに続いています。蛹はだいぶ前から地表には上がっていたのですが、まだ成虫は出てきていません。そろそろ気温も上がってきて、ほかの種類のハエは飛んでいるのですが、なぜかミズアブは出てきません。この調子だと自然に発生するミズアブを観察できるのは梅雨明けになるかもしれないと考えているここ最近です。ミズアブの研究室飼育ですが、前回少数の卵を入手したのですが、そのあと幼虫が出てこなかったので、何が原因なのか考えています。今のところ思い浮かぶだけでも、幼虫時の栄養状態や飼育時の温度、環境、幼虫用の餌の乾燥など様々あります。もう少し頑張って続けてみようと思います。

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